ChartDataFilter Class

The primary purpose of this class is to allow the skipping of columns data from IChartData We need to ignore any columns that are of an invalid data type We also need to skip over the column that is the row label strings The drawing layers will get the IChartData Filter pointer to use instead of the Raw Data The column count and data gets and calcs will be accurate for this data subset

'Declaration
 
Public Class ChartDataFilter 
   Inherits ChartDataAdapter
   Implements IChartData, IChartDataFilter 

public class ChartDataFilter : ChartDataAdapter, IChartData, IChartDataFilter